diff --git a/ports/raspberrypi/boards/adafruit_fruit_jam/mpconfigboard.h b/ports/raspberrypi/boards/adafruit_fruit_jam/mpconfigboard.h
index 395aa820a2325..08c3271552c58 100644
--- a/ports/raspberrypi/boards/adafruit_fruit_jam/mpconfigboard.h
+++ b/ports/raspberrypi/boards/adafruit_fruit_jam/mpconfigboard.h
@@ -17,6 +17,9 @@
 #define DEFAULT_SPI_BUS_MOSI (&pin_GPIO31)
 #define DEFAULT_SPI_BUS_MISO (&pin_GPIO28)
 
+#define DEFAULT_UART_BUS_RX (&pin_GPIO9)
+#define DEFAULT_UART_BUS_TX (&pin_GPIO8)
+
 #define DEFAULT_USB_HOST_DATA_PLUS (&pin_GPIO1)
 #define DEFAULT_USB_HOST_DATA_MINUS (&pin_GPIO2)
 #define DEFAULT_USB_HOST_5V_POWER (&pin_GPIO11)
diff --git a/ports/raspberrypi/boards/adafruit_fruit_jam/pins.c b/ports/raspberrypi/boards/adafruit_fruit_jam/pins.c
index 54a8869366e0d..0beb5e1139720 100644
--- a/ports/raspberrypi/boards/adafruit_fruit_jam/pins.c
+++ b/ports/raspberrypi/boards/adafruit_fruit_jam/pins.c
@@ -28,6 +28,8 @@ static const mp_rom_map_elem_t board_module_globals_table[] = {
 
     { MP_OBJ_NEW_QSTR(MP_QSTR_LED), MP_ROM_PTR(&pin_GPIO29) },
 
+    { MP_OBJ_NEW_QSTR(MP_QSTR_NEOPIXEL), MP_ROM_PTR(&pin_GPIO32) },
+
     { MP_OBJ_NEW_QSTR(MP_QSTR_BUTTON1), MP_ROM_PTR(&pin_GPIO0) },
     { MP_OBJ_NEW_QSTR(MP_QSTR_BOOT), MP_ROM_PTR(&pin_GPIO0) },
 
@@ -41,9 +43,19 @@ static const mp_rom_map_elem_t board_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_MOSI), MP_ROM_PTR(&pin_GPIO31) },
     { MP_ROM_QSTR(MP_QSTR_MISO), MP_ROM_PTR(&pin_GPIO28) },
 
-    { MP_ROM_QSTR(MP_QSTR_ESP_CS), MP_ROM_PTR(&pin_GPIO46) },
+    // Shared with ESP TX/RX.
+    { MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_GPIO8) },
+    { MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_GPIO9) },
 
-    { MP_OBJ_NEW_QSTR(MP_QSTR_NEOPIXEL), MP_ROM_PTR(&pin_GPIO32) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_CS), MP_ROM_PTR(&pin_GPIO46) },
+    // was GPIO0 on ESP32. Used for IRQ and mode switching.
+    { MP_ROM_QSTR(MP_QSTR_ESP_IRQ), MP_ROM_PTR(&pin_GPIO23) },
+    // BUSY is also known as READY, and is RTS for BLE mode.
+    { MP_ROM_QSTR(MP_QSTR_ESP_BUSY), MP_ROM_PTR(&pin_GPIO3) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_RESET), MP_ROM_PTR(&pin_GPIO22) },
+    // TX and RX are from the point of view of the RP2350.
+    { MP_ROM_QSTR(MP_QSTR_ESP_TX), MP_ROM_PTR(&pin_GPIO8) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_RX), MP_ROM_PTR(&pin_GPIO9) },
 
     { MP_ROM_QSTR(MP_QSTR_CKN), MP_ROM_PTR(&pin_GPIO12) },
     { MP_ROM_QSTR(MP_QSTR_CKP), MP_ROM_PTR(&pin_GPIO13) },
@@ -56,11 +68,11 @@ static const mp_rom_map_elem_t board_module_globals_table[] = {
 
     { MP_ROM_QSTR(MP_QSTR_PERIPH_RESET), MP_ROM_PTR(&pin_GPIO22) },
 
-    { MP_ROM_QSTR(MP_QSTR_I2S_MCLK), MP_ROM_PTR(&pin_GPIO27) },
-    { MP_ROM_QSTR(MP_QSTR_I2S_BCLK), MP_ROM_PTR(&pin_GPIO26) },
-    { MP_ROM_QSTR(MP_QSTR_I2S_WS), MP_ROM_PTR(&pin_GPIO25) },
     { MP_ROM_QSTR(MP_QSTR_I2S_DIN), MP_ROM_PTR(&pin_GPIO24) },
-    { MP_ROM_QSTR(MP_QSTR_I2S_GPIO1), MP_ROM_PTR(&pin_GPIO23) },
+    { MP_ROM_QSTR(MP_QSTR_I2S_MCLK), MP_ROM_PTR(&pin_GPIO25) },
+    { MP_ROM_QSTR(MP_QSTR_I2S_BCLK), MP_ROM_PTR(&pin_GPIO26) },
+    { MP_ROM_QSTR(MP_QSTR_I2S_WS), MP_ROM_PTR(&pin_GPIO27) },
+    { MP_ROM_QSTR(MP_QSTR_I2S_IRQ), MP_ROM_PTR(&pin_GPIO23) },
 
     { MP_OBJ_NEW_QSTR(MP_QSTR_SD_SCK), MP_ROM_PTR(&pin_GPIO34) },
     { MP_OBJ_NEW_QSTR(MP_QSTR_SDIO_CLOCK), MP_ROM_PTR(&pin_GPIO34) },
@@ -86,5 +98,7 @@ static const mp_rom_map_elem_t board_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
     { MP_ROM_QSTR(MP_QSTR_STEMMA_I2C), MP_ROM_PTR(&board_i2c_obj) },
     { MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
+    // Shared with ESP TX/RX.
+    { MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&board_uart_obj) },
 };
 MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);